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Radiant|Lab Grown|IGI

1.53ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG766619917

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG766619917

Diamond specifications and retailer prices

From £196 GBP
$262 USD
As of October 30, 2026
Save £1,573 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,769 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG766619917 or 766619917. Listed at 18 retailers as of October 30, 2026, with prices from £196 to £1,769, a £1,573 spread on the same certified stone. Brilliant Earth lists it at £1,769. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766619917
Dimensions8.13 × 5.57 × 3.84 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.13 mm5.57 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766619917
Side View
Table 63.0%Crown 45.5°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 68.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,769 GBP|Low: £194 GBP|High: £2,135 GBP|Avg: £760 GBP|-17.1%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
November 1, 2026
Retailer 17£196 GBP
Retailer 18£219 GBP
Retailer 16£227 GBP
Retailer 11£275 GBP
Retailer 6£311 GBP
Retailer 4£337 GBP
Retailer 13£340 GBP
Retailer 12£436 GBP
Retailer 5£439 GBP
Retailer 15£622 GBP
Retailer 9£679 GBP
Retailer 7£801 GBP
Retailer 14£860 GBP
Retailer 10£931 GBP
Retailer 2£1,072 GBP
Retailer 8£1,605 GBP
Retailer 3£1,739 GBP
Brilliant Earth£1,769 GBP

33 data points across 18 retailers

18 retailers£196 GBP to £1,769 GBP

A
Cheapest Retailer
-
£196 GBP
$262 USD
A
Retailer 2
-
£219 GBP
$293 USD
View
Final sale: no returns
A
Retailer 3
-
£227 GBP
$304 USD
View
A
Retailer 4
-
£275 GBP
View
A
Retailer 5
-
£311 GBP
$416 USD
View
B+
Retailer 6
-
£337 GBP
$452 USD
View
A
Retailer 7
-
£340 GBP
$455 USD
View
A
Retailer 8
-
£436 GBP
€556 EUR
View
A
Retailer 9
-
£439 GBP
$588 USD
View
A
Retailer 10
-
£622 GBP
A$1,282 AUD
View
A
Retailer 11
-
£679 GBP
$910 USD
View
A
Retailer 12
-
£801 GBP
$1,073 USD
View
B+
Retailer 13
-
£860 GBP
$1,152 USD
View
B+
Retailer 14
-
£931 GBP
$1,247 USD
View
B+
Retailer 15
-
£1,072 GBP
View
Retailer 16
-
£1,605 GBP
$2,150 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
£1,739 GBP
$2,330 USD
View
Most Expensive
B
Brilliant Earth
21401129Y · Oct 31
£1,769 GBP
$2,370 USD
View
17 more retailers have this diamond
Prices start from £196 GBPSave up to £1,573 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.53ct Radiant
£196 GBP